Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The arrival of May brings a soft temperature shift, with the average high-temperature nudging from an enjoyable 17.8°C (64°F) in April to a pleasant 21.1°C (70°F). Melres's May nights cool down to an average low-temperature of 11.5°C (52.7°F).Humidity
In Melres, Portugal, the average relative humidity in May is 70%.Rainfall
In May, the rain falls for 10.3 days. Throughout May, 37mm (1.46") of precipitation is accumulated. Throughout the year, there are 126.3 rainfall days, and 777mm (30.59") of precipitation is accumulated.Daylight
In May, the average length of the day in Melres is 14h and 29min.On the first day of the month, sunrise is at 06:30 and sunset at 20:30. On the last day of May, in Melres, sunrise is at 06:03 and sunset at 20:59 WEST.
Sunshine
In May, the average sunshine is 9.8h.UV index
In Melres, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In May, the UV index of 5 transforms into the following advice:
Take precautions - Protection against skin and eye damage is obliged. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Frequently asked questions
What is the average May temperature in Melres?
What is the average humidity in May in Melres?
How many days does it rain in May in Melres?
How many hours of daylight does Melres have in May?
What time are sunrise and sunset in May in Melres?
How long on average sun shines in May in Melres?
What is the UV index intensity in May in Melres?
Average temperature in May
Melres, Portugal
- Average high temperature in May: 21.1°C
The warmest month (with the highest average high temperature) is August (26.6°C).
The month with the lowest average high temperature is January (12.7°C).
- Average low temperature in May: 11.5°C
The months with the highest average low temperature are July and August (15.3°C).
The coldest months (with the lowest average low temperature) are January and February (6.8°C).
Average pressure in May
Melres, Portugal
- Average pressure in May: 1016.5mbar
The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in May
Melres, Portugal
- Average wind speed in May: 9.3km/h
The windiest month (with the highest average wind speed) is February (10.3km/h).
The calmest month (with the lowest average wind speed) is September (7.9km/h).
Average humidity in May
Melres, Portugal
- Average humidity in May: 70%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is September (65%).
Average rainfall in May
Melres, Portugal
- Average rainfall in May: 37mm
The wettest month (with the highest rainfall) is November (124mm).
The driest month (with the least rainfall) is July (10mm).
Average rainfall days in May
Melres, Portugal
- Average rainfall days in May: 10.3 days
The month with the highest number of rainy days is November (15.6 days).
The month with the least rainy days is August (5 days).
Average daylight in May /
Average sunshine in May
Melres, Portugal
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 9h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in May
Melres, Portugal
- Average sunshine days in May: 19.4 days
The month with the most sunshine days is August (24.2 days).
The month with the least sunshine days is November (12.5 days).
Average UV index in May
Melres, Portugal
- Average UV index in May: 5
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover in May
Melres, Portugal
- Average cloud cover in May: 31
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in May
Melres, Portugal
- Average visibility in May: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).
Melres, Portugal
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